/Engine/Source/Runtime/Landscape/Public/LandscapeRender.h
FLandscapeLayerUsageRenderProxy ( const [FMaterialRenderProxy](API\Runtime\Engine\Materials\FMaterialRenderProxy) * InParent, int32 InComponentSizeVerts, const [TArray](API\Runtime\Core\Containers\TArray)< [FLinearColor](API\Runtime\Core\Math\FLinearColor) > & InLayerColors, float InRotation )